Review of Expressions, Equations, Inequalities

Simplify the following expression:

-6x + 4(-x - 3)

• -2x - 12

• 10x + 12

• -10x - 12

Which inequality is represented by the  following graph

• x < -8

• x > -8

• x ≥ -8

• x ≤ -8

What are two solutions to x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

How would you solve this inequality?
m - 9 ≤ 20

• By adding 20 to both sides

• By subtracting 9 to both sides

• By adding 9 to both sides

• By subtracting 20 to both sides

Level 1

Write an inequality for the statement:

You must be at least 48 inches tall to ride the bumper cars.

• h < 48

• h > 48

• h ≤ 48

• h ≥ 48

What is the first step to solve for b:

2b = -16

• add 2 to both sides

• subtract 2 to both sides

• multiply 2 to both sides

• divide 2 to both sides

Solve: 29 - 3 (3² - 4)

• 130

• 2

• 44

• 14

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Which choice models this situation?
Robyn had some video games, then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10/4 = v

• 4v = 10

Which choice models this situation?

Jack needed new pencils for school today. He took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18